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18+5w+10w=-15+18w
We move all terms to the left:
18+5w+10w-(-15+18w)=0
We add all the numbers together, and all the variables
5w+10w-(18w-15)+18=0
We add all the numbers together, and all the variables
15w-(18w-15)+18=0
We get rid of parentheses
15w-18w+15+18=0
We add all the numbers together, and all the variables
-3w+33=0
We move all terms containing w to the left, all other terms to the right
-3w=-33
w=-33/-3
w=+11
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